// The MIT License (MIT)
//
// Copyright (c) 2015 FPT Software
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

#import "MDTouchGestureRecognizer.h"

@implementation MDTouchGestureRecognizer

- (instancetype)init {
  if (self = [super init]) {
    self.cancelsTouchesInView = NO;
  }
  return self;
}
- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event {
  if (self.state != UIGestureRecognizerStateBegan) {
    self.state = UIGestureRecognizerStateBegan;
    [_touchDelegate touchesBegan:touches withEvent:event];
  }
}

- (void)touchesMoved:(NSSet *)touches withEvent:(UIEvent *)event {
  self.state = UIGestureRecognizerStateChanged;
  [_touchDelegate touchesMoved:touches withEvent:event];
}

- (void)touchesCancelled:(NSSet *)touches withEvent:(UIEvent *)event {
  if (self.state == UIGestureRecognizerStateBegan ||
      self.state == UIGestureRecognizerStateChanged) {
    self.state = UIGestureRecognizerStateCancelled;
  }
  [_touchDelegate touchesCancelled:touches withEvent:event];
}

- (void)touchesEnded:(NSSet *)touches withEvent:(UIEvent *)event {
  if (self.state == UIGestureRecognizerStateBegan ||
      self.state == UIGestureRecognizerStateChanged) {
    self.state = UIGestureRecognizerStateEnded;
  }
  [_touchDelegate touchesEnded:touches withEvent:event];
}

@end
